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Finding the Fourth Proportional to 14,940.59, 22,409.79 and 5,576.99

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Solution

The fourth proportional to 14,940.59, 22,409.79 and 5,576.99 is: 8,365.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,940.59 : 22,409.79 = 5,576.99 : x
  2. Step 2: Convert to fraction form
    14,940.59/22,409.79 = 5,576.99/x
  3. Step 3: Cross multiply
    14,940.59x = 22,409.79 × 5,576.99
  4. Step 4: Simplify right side
    14,940.59x = 124,979,174.73
  5. Step 5: Solve for x
    x = 124,979,174.73/14,940.59
  6. Step 6: Final answer
    x = 8,365.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.